The TV will automatically update and restart, which may take several minutes. unplug the TV or turn it off during this time. Alternative: Network Update
on the TV (not the remote).
If your TV is connected to the internet, you can check for official updates without a USB: Download TCL 19D3300 Software rar
Navigate to > System/Device Preferences > About > System Update . The TV will automatically update and restart, which
While holding the button, plug the power cord back in. Continue holding until you see a blinking LED or an "Upgrading" message on the screen. : If your TV is connected to the internet,
If you have obtained the software in a .rar format, follow these steps to perform a manual USB update: : Use a USB drive with at least 4GB of space.
Extract the contents (usually a .bin , .img , or .pkg file) and copy it directly to the of the USB drive. Do not place it in a folder. Initiate the Update : Turn off the TV and unplug the power cord. Insert the USB drive into the TV's USB port.